Glow stick



FIG. 1 shows a front perspective view of a glow stick;

FIG. 2 shows a front view of the glow stick of FIG. 1;

FIG. 3 shows a rear view of the glow stick of FIG. 1;

FIG. 4 shows a left side view of the glow stick of FIG. 1;

FIG. 5 shows a right side view of the glow stick of FIG. 1;

FIG. 6 shows a top view of the glow stick of FIG. 1; and,

FIG. 7 shows a bottom view of the glow stick of FIG. 1. 

CLAIM The ornamental design for a glow stick, as shown and described. 